body { font-size: 75%; color: #000; font-family: Open Sans,Arial,Helvetica,sans-senif,SimSun,"宋体"; line-height: 1.3; } dl { margin: 0px; width: 480px; float: left; } dt { width: 100px; height: 15px; float: left; } dd { width: 240px; height: 15px; float: left; } dl dt { margin: 0px; line-height: 22px; color: #474747; font-size: 14px; font-family: tahoma; } #product-desc { width: 100%; height: 209px; } #description { width: 100%; height: 50%; } #details { width: 100%; height: 50%; } .ui-box-title { height: 30px; font-size: 15px; font-family: tahoma; font-weight: bold; background-color: #ddd; text-anchor: inherit; padding-top: 8px; margin: 0px; } .ui-box-body { margin: 0px; } #tbspecifics { border-right: 1px solid black; border-bottom: 1px solid black; } #tbspecifics tr { height: 30px; } #tbspecifics td { width: 100px; border-left: 1px solid black; border-top: 1px solid black; } Add one more ESP-01S module. This smart relay module is based on the ESP-01S WIFI module design.It can be used to DIY your own smart switch.It can be ely controlled by the mobile phone APP and provides APP and LUA source programs.It's easy to use, simple and convenient.Module working voltage: DC 5VRelay load capacity: 10A 250VAC 10A 125VAC 10A 30VDC 10A 28VDCcolour: blue-blackMaterial: Size: 37.2x25.2mmPackage Contents:2 x Relay moduleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.